I dont have anywhere near complete list, because I'm a very disorganized person, =P but heres a few
Echoes, Floyd - I'll third that.

Stairway To Heaven, Zeppelin

While my guitar gently weeps, beatles and Eric Clapton

Lots of Jethro Tull songs.

Communication breakdown

Mad World

Lots of Al Di Meola (my fav guitar player)

Itchykoo park

babe im gonna leave you, Zeppelin

Hey you, Floyd

Money, Floyd

Wish you were here, Floyd

Time, Floyd

Fat old sun, Floyd

Some system of a down

Three doors down

Some king crimson (havn't heard much, but i like some of it)

Lots of Beatles, but i dont know the names of alot of there songs

God is a Bulltet, Concrete Blond

Some Leanard Cohen, - like on natural born killers =D

us and them, Floyd

Almost anything by the doors, especially People are strange

Some Nirvana

AC DC

Dont let me down, beatles

Lucy in the sky with diamonds, beatles

Spanish Caravan, doors (partly because its one of few songs I can play.)

Some Eagles, for example Hotel California

and many many many others that i'm too lazy to think of, or find the names of.